diff --git a/Cargo.lock b/Cargo.lock
index d3d90eb4e97..7e09b2632a0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -744,9 +744,9 @@ checksum = "8f1e260c3a9040a7c19a12468758f4c16f31a81a1fe087482be9570ec864bb6c"
 
 [[package]]
 name = "byte-slice-cast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d30c751592b77c499e7bce34d99d67c2c11bdc0574e9a488ddade14150a4698"
+checksum = "87c5fdd0166095e1d463fc6cc01aa8ce547ad77a4e84d42eb6762b084e28067e"
 
 [[package]]
 name = "byte-tools"
@@ -6647,9 +6647,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.1.5"
+version = "3.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9182e4a71cae089267ab03e67c99368db7cd877baf50f931e5d6d4b71e195ac0"
+checksum = "366e44391a8af4cfd6002ef6ba072bae071a96aafca98d7d448a34c5dca38b6a"
 dependencies = [
  "arrayvec 0.7.2",
  "bitvec",
@@ -12273,9 +12273,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.21.0"
+version = "1.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89797afd69d206ccd11fb0ea560a44bbb87731d020670e79416d442919257d42"
+checksum = "0020c875007ad96677dcc890298f4b942882c5d4eb7cc8f439fc3bf813dc9c95"
 dependencies = [
  "autocfg",
  "bytes",
diff --git a/client/relay-chain-interface/Cargo.toml b/client/relay-chain-interface/Cargo.toml
index 288d9d52861..181d6515fbc 100644
--- a/client/relay-chain-interface/Cargo.toml
+++ b/client/relay-chain-interface/Cargo.toml
@@ -23,4 +23,4 @@ derive_more = "0.99.2"
 async-trait = "0.1.57"
 thiserror = "1.0.34"
 jsonrpsee-core = "0.15.1"
-parity-scale-codec = "3.1.5"
+parity-scale-codec = "3.2.1"
diff --git a/client/relay-chain-rpc-interface/Cargo.toml b/client/relay-chain-rpc-interface/Cargo.toml
index e1c3b2bebf6..188f709baeb 100644
--- a/client/relay-chain-rpc-interface/Cargo.toml
+++ b/client/relay-chain-rpc-interface/Cargo.toml
@@ -18,11 +18,11 @@ sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "
 sc-client-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-storage = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-rpc-api = { git = "https://github.com/paritytech/substrate", branch = "master" }
-tokio = { version = "1.21.0", features = ["sync"] }
+tokio = { version = "1.21.1", features = ["sync"] }
 
 futures = "0.3.24"
 futures-timer = "3.0.2"
-parity-scale-codec = "3.1.5"
+parity-scale-codec = "3.2.1"
 parking_lot = "0.12.1"
 jsonrpsee = { version = "0.15.1", features = ["ws-client"] }
 tracing = "0.1.36"
diff --git a/pallets/session-benchmarking/Cargo.toml b/pallets/session-benchmarking/Cargo.toml
index a9e87247148..e30b460161f 100644
--- a/pallets/session-benchmarking/Cargo.toml
+++ b/pallets/session-benchmarking/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-parity-scale-codec = { version = "3.1.5", default-features = false }
+parity-scale-codec = { version = "3.2.1", default-features = false }
 sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
 frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }